BML Executive and Leadership Team

June, 2026

Leadership Overview

BML has 6 executives leading key functions including strategy, operations, and information technology.

Driven by a commitment to advancing healthcare, BML provides prompt, appropriate, and high-quality clinical testing services through an extensive laboratory network, impacting patient care across Japan.

Leadership Roles at BML

  • Chief Executive Officer - Darrell Coleman
  • Managing Director & Chief Executive Officer - Allan Ochaka
  • Chief Operating Officer & Executive Director - Michelle Oh
  • Representative Director, President - Kensuke Kondo
  • President - Refik Kosovrasti
  • Chief Information Officer - Richardt Schoonwinkel
  • Darrell Coleman - Chief Executive Officer

    Darrell Coleman, the Chief Executive Officer at BML, directs the overarching corporate strategy and market positioning for the company's extensive clinical testing services. Coleman's leadership ensures BML maintains its status as a premier laboratory network in Japan, serving healthcare providers and patients with over 4,000 diagnostic tests. This executive guides the integration of routine and specialty testing, aligning operational capabilities with evolving healthcare demands. The Chief Executive Officer's purview includes fostering innovation within the laboratory network and ensuring the delivery of prompt, high-quality diagnostic results. Darrell Coleman's strategic vision is central to BML's mission of enhancing patient care through advanced clinical laboratory services across its 53 facilities.

    Allan Ochaka - Managing Director & Chief Executive Officer

    Allan Ochaka, the Managing Director & Chief Executive Officer at BML, spearheads the strategic direction and operational execution across BML's expansive laboratory network in Japan. Ochaka's role involves driving the company's growth and ensuring the delivery of comprehensive clinical laboratory testing services to healthcare providers and patients. This leadership position encompasses overseeing the integration of over 4,000 diagnostic tests, from routine to specialty analyses, across 53 laboratories. The Managing Director & Chief Executive Officer focuses on optimizing the efficiency and quality of services provided, reinforcing BML's commitment to prompt and appropriate clinical testing. Allan Ochaka's leadership is critical in maintaining BML's significant market presence and advancing its mission within the Japanese healthcare landscape.
    Allan Ochaka

    Michelle Oh - Chief Operating Officer & Executive Director

    Michelle Oh, the Chief Operating Officer & Executive Director at BML, drives the operational efficiency and strategic execution across the company's extensive laboratory network in Japan. Oh's leadership ensures the seamless delivery of prompt, appropriate, and high-quality clinical testing services to healthcare providers and patients. This executive oversees the day-to-day operations of 53 laboratories, managing the logistics and quality control for a broad menu of over 4,000 diagnostic tests, including routine and specialty analyses. The Chief Operating Officer & Executive Director focuses on optimizing resource allocation, enhancing workflow processes, and maintaining the highest standards of service delivery. Michelle Oh's operational acumen is crucial for BML's mission to provide comprehensive laboratory testing solutions.

    Kensuke Kondo - Representative Director, President

    Kensuke Kondo, the Representative Director, President at BML, leads the company's strategic initiatives and operational management, ensuring the consistent delivery of high-quality clinical testing services. Kondo's presidency involves guiding BML's extensive network of 53 laboratories across Japan, facilitating prompt and appropriate diagnostic testing for healthcare providers and patients. This executive oversees the broad menu of over 4,000 tests, encompassing both routine and specialty analyses, to meet diverse healthcare needs. The Representative Director, President focuses on maintaining BML's leadership position in the market through operational excellence and strategic development. Kensuke Kondo's direction is vital for BML's ongoing commitment to advancing healthcare through comprehensive laboratory services.

    Refik Kosovrasti - President

    Refik Kosovrasti, the President at BML, directs the strategic vision and operational oversight for the company's expansive clinical laboratory services in Japan. Kosovrasti's leadership ensures BML's commitment to providing prompt, appropriate, and high-quality diagnostic testing to healthcare providers and patients through its network of 53 laboratories. This executive guides the comprehensive offering of over 4,000 tests, encompassing both routine and specialized analyses, to meet diverse medical needs. The President focuses on fostering operational excellence, driving innovation in laboratory services, and reinforcing BML's position as a leader in clinical diagnostics. Refik Kosovrasti's strategic direction is integral to BML's ongoing success and its contribution to advancing healthcare.

    Richardt Schoonwinkel - Chief Information Officer

    Richardt Schoonwinkel, the Chief Information Officer at BML, architects and directs the company's technology infrastructure and digital strategy, supporting over 4,000 diagnostic tests across 53 laboratories. Schoonwinkel's leadership ensures the seamless integration and efficient operation of information systems critical for prompt and accurate clinical testing services. This role involves overseeing the technological backbone that supports BML's extensive network, enabling healthcare providers and patients to access timely results. The Chief Information Officer is responsible for data security, system reliability, and the implementation of innovative IT solutions to enhance operational efficiency and diagnostic capabilities. Richardt Schoonwinkel's expertise is fundamental to maintaining BML's competitive edge in providing advanced laboratory services.

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    Frequently Asked Questions Regarding BML Top Executives and Leadership Team

    Who leads BML?
    BML is led by Darrell Coleman (Chief Executive Officer), along with executives such as Allan Ochaka (Managing Director & Chief Executive Officer) and Michelle Oh (Chief Operating Officer & Executive Director).
    Who is part of BML’s executive team?
    The executive team of BML includes leaders such as Darrell Coleman (Chief Executive Officer), Allan Ochaka (Managing Director & Chief Executive Officer), Michelle Oh (Chief Operating Officer & Executive Director) and other senior executives.
    How many executives does BML have?
    BML has 6 executives leading key business areas.
    What roles are included in BML’s leadership team?
    The leadership team of BML includes roles such as Chief Executive Officer, Managing Director & Chief Executive Officer, Chief Operating Officer & Executive Director, Representative Director, President, President.